| Autor: |
Artamonova VS; Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, 119071, Moscow, Russia.; Institute of Biophysics, Federal Research Center 'Krasnoyarsk Science Center,' Siberian Branch, Russian Academy of Sciences, 660036, Akademgorodok, Krasnoyarsk, Russia., Makhrov AA; Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, 119071, Moscow, Russia. makhrov12@mail.ru.; Institute of Biophysics, Federal Research Center 'Krasnoyarsk Science Center,' Siberian Branch, Russian Academy of Sciences, 660036, Akademgorodok, Krasnoyarsk, Russia. makhrov12@mail.ru., Gladyshev MI; Institute of Biophysics, Federal Research Center 'Krasnoyarsk Science Center,' Siberian Branch, Russian Academy of Sciences, 660036, Akademgorodok, Krasnoyarsk, Russia., Sushchik NN; Institute of Biophysics, Federal Research Center 'Krasnoyarsk Science Center,' Siberian Branch, Russian Academy of Sciences, 660036, Akademgorodok, Krasnoyarsk, Russia., Dgebuadze YY; Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, 119071, Moscow, Russia.; Institute of Biophysics, Federal Research Center 'Krasnoyarsk Science Center,' Siberian Branch, Russian Academy of Sciences, 660036, Akademgorodok, Krasnoyarsk, Russia. |
| Abstrakt: |
A hypothesis was advanced and grounded that the total content of eicosapentaenoic (EPA, 20:5n-3) and docosahexaenoic (DHA, 22:6n-3) acids in fish muscle tissue is associated with the species-specific (taxon-specific) duration of embryo development. A meta-analysis of the original and published data was performed using fishes of the families Coregonidae and Salmonidae as an example. Fishes with longer embryo development times, which are observed at lower temperatures, were found to have significantly higher EPA + DHA contents in muscles as compared with the species that belong to the same families but have shorter embryo development times. This association was explained by the fact that an embryo forms more cells per unit tissue volume at lower temperatures, which requires a greater specific amount of cell membranes and, therefore, greater amounts of EPA and DHA to produce them. |
